/*
 * Copyright 2012-2025 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.assertj.core.internal;

import org.assertj.core.api.comparisonstrategy.ComparisonStrategy;

/**
 * Reusable assertions for <code>{@link Byte}</code>s.
 *
 * @author Drummond Dawson
 * @author Alex Ruiz
 * @author Joel Costigliola
 * @author Cal027
 */
public class Bytes extends Numbers<Byte> implements WholeNumbers<Byte> {

  private static final Bytes INSTANCE = new Bytes();

  /**
   * Returns the singleton instance of this class.
   *
   * @return the singleton instance of this class.
   */
  public static Bytes instance() {
    return INSTANCE;
  }

  // TODO reduce the visibility of the fields annotated with @VisibleForTesting
  Bytes() {
    super();
  }

  public Bytes(ComparisonStrategy comparisonStrategy) {
    super(comparisonStrategy);
  }

  @Override
  protected Byte zero() {
    return 0;
  }

  @Override
  protected Byte one() {
    return 1;
  }

  @Override
  protected Byte absDiff(Byte actual, Byte other) {
    return (byte) Math.abs(actual - other); // TODO check corner case when diff > max byte
  }

  @Override
  protected boolean isGreaterThan(Byte value, Byte other) {
    return value > other;
  }

  @Override
  public boolean isEven(Byte number) {
    return (number & one()) == zero();
  }
}
